From c688b706960c4b5442b32bc9cad1e8d549e03d0d Mon Sep 17 00:00:00 2001
From: Tim Head <betatim@gmail.com>
Date: Fri, 25 May 2018 08:14:14 +0200
Subject: [PATCH] Fix parentheses in the build scripts for R buildpack

---
 repo2docker/buildpacks/r.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/repo2docker/buildpacks/r.py b/repo2docker/buildpacks/r.py
index b40503d7..ebd5416b 100644
--- a/repo2docker/buildpacks/r.py
+++ b/repo2docker/buildpacks/r.py
@@ -204,15 +204,17 @@ class RBuildPack(PythonBuildPack):
                 """.format(
                     devtools_version=devtools_version,
                     irkernel_version=irkernel_version
+                )
             ),
             (
                 "${NB_USER}",
                 # Install shiny library
                 r"""
                 R --quiet -e "install.packages('shiny', repos='https://mran.microsoft.com/snapshot/{}', method='libcurl')"
-                """.format(self.checkpoint_date.isoformat())
+                """.format(
+                    self.checkpoint_date.isoformat()
                 )
-            )
+            ),
         ]
 
     def get_assemble_scripts(self):